projective geometry
the geometric study of projective properties.
[1880-85]
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Branch of mathematics that deals with the relationships between geometric figures and the images (mappings) of them ...

projective property
a geometric property that is unaltered by projection; a property of relative position, as coincidence or length, but not of magnitude.
[1880-85]
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Prokofiev, Sergey (Sergeyevich)
born April 23, 1891, Sontsovka, Ukraine, Russian Empire
died March 5, 1953, Moscow, Russia, U.S.S.R.
Russian composer and pianist.
Son of a pianist, he began writing piano ...